Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 5385601 | Process for converting aluminum dross to ladle flux for steel processing An indirect plasma-arc processor for aluminum dross is disclosed. The process involves melting aluminum dross in the presence of a flux in a furnace equipped with one or more arc-forming electrodes, wherein the arc is formed with a gas, such as argon. Mol... | 01/31/1995 |
| 4917725 | Process for treating electric furnace dust A process for treating electric furnace dust comprising mixing electric furnace dust and a reducing agent with a material for reducing the slag melting point, preheating the mixture, adding the preheated mixture to molten slag which is being subjected to ... | 04/17/1990 |
| 4889702 | Process for removing metallic constituents from dust obtained during the electrothermal production of yellow phosphorus Metallic constituents, especially heavy metal constituents are removed from dust electrostatically separated from a gas mixture consisting substantially of carbon monoxide and phosphorus in vapor form obtained during the electrothermal production of yello... | 12/26/1989 |
| 4889555 | Process of making binderless briquets from steelworks dusts To produce smeltable briquets, steel-works dusts containing more that 15% metallic iron are heated in an indirectly heated rotary kiln to a briquetting temperature in excess of 500° C. under an atmosphere which is inert to the metallic iron. The heated d... | 12/26/1989 |
| 4626279 | Method for processing copper smelting materials and the like containing high percentages of arsenic and/or antimony The invention relates to a method for preparing a sulphidic concentrate which is intended for further processing to copper and/or precious metals and which contains high percentages of arsenic and/or antimony, and possibly also bismuth in quantities likel... | 12/02/1986 |
| 4549904 | Process for the preparation of pellets A process for the preparation of pellets is disclosed which comprises mixing an iron ore raw material with a pitch material having a softening point of 30° to 300° C. in an amount in the range of 0.5 to 5% by weight of the iron ore raw material, molding... | 10/29/1985 |
| 4491470 | Method for separating non-ferrous metals from ferruginous secondary substances A method for separating non-ferrous metals from ferruginous secondary substances such as residues and slurries from blast furnaces, steel mills, rolling mills, and the like. In accordance with the invention, a layer of the secondary substances is combined... | 01/01/1985 |
| 4447261 | Method for separating non-ferrous metals from iron-containing materials A method for separating non-ferrous metals from an iron-containing waste material which includes providing separate contiguous layers of the waste material and a sintering mixture containing a finely divided carbonaceous fuel, passing hot combustion suppo... | 05/08/1984 |
| 4266966 | Dust treatment Steelmaking dust is refined by pelletizing the dust and heating the pellets with a reducing agent at a rate sufficient to explode a significant number of pellets.... | 05/12/1981 |
| 4213778 | Process for treating a mud produced during gas scrubbing in a blast furnace or a steelworks A process for treating mud produced during gas scrubbing in a blast furnace comprises decanting water from the mud to produce a mud concentrate which is still free flowing and adding a reducible carbon additive to the concentrate. The resultant mixture is... | 07/22/1980 |
| 4108634 | Process for thermally treating fine-grained solids A process for thermally treating fine-grained solids with high-oxygen gases at temperatures at which the solids can form molten and gaseous reaction products comprises carrying out the thermal treatment at least in part in a cyclone chamber. The solids, h... | 08/22/1978 |
| 3960543 | Process of producing self-supporting briquettes for use in metallurgical processes Self-supporting compact bodies for use in metallurgical processes are made from fine-grained materials containing metal oxides, fine-grained caking coal and optionally other non-caking materials. The non-caking components, e.g., the fine-grained materials... | 06/01/1976 |
